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Chapter 10 Troubleshooting|ASDA-AB Series
10-8 Revision January 2009
10.3 Clearing Faults
Display Fault Name Clearing Method
Overcurrent
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Overvoltage
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Undervoltage
This fault message can be removed automatically
after the voltage has returned within its
specification.
Z Pulse shift Restart the servo drive.
Regeneration error
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Overload
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Overspeed
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Abnormal pulse control
command
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Excessive deviation
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Watch dog execution time
out
This fault message cannot be cleared.
Encoder error
This fault message can be removed by restarting
the servo drive.
Adjustment error
This fault message can be removed after the
wiring of CN1 connector (I/O signal connector) is
removed and auto adjustment function is
executed.
Emergency stop activated
This fault message can be removed automatically
by turning off EMGS (DI signal).
Reverse limit switch error
Turn ARST (DI signal) ON to clear the fault. This
fault message can be removed when the servo
drive is Off (Servo Off)
Forward limit switch error
Turn ARST (DI signal) ON to clear the fault. This
fault message can be removed when the servo
drive is Off (Servo Off)
IGBT temperature error
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Memory error
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
DSP communication error
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.
Serial communication error
Turn ARST (DI signal) ON to clear the fault. This
fault message can also be removed automatically
after the communication is normal.
Serial communication time
out
Turn ARST (DI signal) ON to clear the fault or
restart the servo drive.